GrammarN13 min read2026-02-17

〜を境に

N1 grammar pattern "〜を境に": Marked by ~; As a turning point ~. Usage guide with examples.

Meaning

It indicates that there is a significant change in the situation before and after ~.

It represents a significant change occurring before and after 〜.

Formation

Part of speechFormation
名詞名詞 + を境に

Examples

  1. その日を境に二人は一切、話をしなくなった。
    From that day on, the two of them have stopped talking completely.

  2. 大学の卒業を境に、当時仲がよかった友達とも会わなくなった。
    After graduating from university, I stopped meeting the friends I was close with at that time.

  3. 退職を境に、東京を離れ家族と南の島で暮らしている。
    Since retiring, I have left Tokyo and am living with my family on a southern island.

  4. 私は定年退職を境に第二の人生として、日本語教師という仕事に興味を持った。
    Since retiring, I have become interested in working as a Japanese language teacher as a second career.

  5. 妻の妊娠を境に、タバコをやめた。
    I quit smoking after my wife got pregnant.

  6. あの事件を境に、彼女の顔から笑顔が消えた。
    Since that incident, her smile has disappeared.

Summary

  • 〜を境に means "Marked by ~; As a turning point ~"
  • Formation: 名詞 → 名詞 + を境に
  • This is an N1-level grammar pattern

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